Which of the following is not an example of a physical change?
is this the right Answer
accidentally leaving a piece of toast in the toaster until it is completely black
CHM - DrBob222, Sunday, January 27, 2013 at 11:39pm
I would agree that burnt toast is an example of a chemical change.
I suppose if one wanted to get picky, "leaving" the toast somewhere is a physical change but burning it is a chemical change.